18317420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 24018580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 599, 695, 1198, 1390, 1529, 2396, 2780, 2995, 3058, 5990, 6116, 6589, 7645, 11980, 13178, 15290, 26356, 30580, 32945, 65890, 83261, 131780, 166522, 333044, 416305, 832610, 915871, 1665220, 1831742, 3663484, 4579355, 9158710, 18317420]

約数ペア:

[(1, 18317420), (2, 9158710), (4, 4579355), (5, 3663484), (10, 1831742), (11, 1665220), (20, 915871), (22, 832610), (44, 416305), (55, 333044), (110, 166522), (139, 131780), (220, 83261), (278, 65890), (556, 32945), (599, 30580), (695, 26356), (1198, 15290), (1390, 13178), (1529, 11980), (2396, 7645), (2780, 6589), (2995, 6116), (3058, 5990)]